Ruppia tuberosa J.S.Davis & Toml.

J Arnold Arbor. 55: 60 (1974) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: data deficient (k)

Annual or short-lived perennial herb. Branches usually reduced and so not obvious, up to 5(–10)mm long. Leaves (6–)8–10 cm long, less than 0.3(–0.5) mm wide; undamaged apex obtuse to subacute. Perennating swollen shoots sickle-shaped, 2–6 mm long. Inflorescence raised to water surface on an axis which is 5–80 cm long; axis coiled after pollination. Carpels (6–)8–16(–19), sessile or subsessile, stalk not elongating. Fruiting carpel (1.2–)1.8–2(–2.5) long, 0.7–1.5 mm diam. Flowers and fruits Sep.–Nov.

DunT, GipP, Glep, OtP, VRiv. Also WA, SA. Occurs in small brackish swamps, saline lakes and marshes, or on tidal flats of sheltered bays.

Source: Conn, B.J. (1994). Potamogetonaceae (including Ruppiaceae). In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons. Inkata Press, Melbourne.
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Alismatales
family Ruppiaceae
genus Ruppia
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Ruppia tuberosa in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Ruppia tuberosa in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Glenelg Plain present native
Victorian Riverina present native
Gippsland Plain present native
Otway Plain present native
Dundas Tablelands present native

State distribution

Distribution map
Western Australia
Northern Territory
South Australia
New South Wales